Nature's Web Reading Questions

What is an ecosystem composed of?

• Only living things

• Only nonliving things

• Both living and nonliving things

• Only plants and animals

What role do plants play in an ecosystem?

• Consumers

• Decomposers

• Producers

• Carnivores

Which of the following is NOT a category of consumers?

• Herbivores

• Carnivores

• Omnivores

• Decomposers

What happens to the energy from the Sun in a food chain?

• It is only used by plants for photosynthesis.

• It is transferred from the Sun to a producer and then to a consumer.

• It is stored in the soil for future use.

• It is used by animals to create their own food.

What do decomposers do in an ecosystem?

• They produce their own food using sunlight.

• They consume other living organisms.

• They recycle dead plants and animals into nutrients.

• They transfer energy directly from the Sun.

What is the primary source of energy for most food chains?

• The Sun

• Plants

• Animals

• Decomposers

What does a food chain show?

• The interdependence of organisms in an ecosystem

• One possible sequence of food energy flow

• The survival of animals only

• The types of plants in an ecosystem

What is a food web?

• A single path of energy flow through an ecosystem

• A model showing one feeding relationship

• A model showing many possible feeding relationships within an ecosystem

• A diagram of animal hierarchies

Which of the following best describes the role of decomposers in a food chain?

• They produce energy for the food chain

• They are the primary consumers

• They break down dead organisms

• They are secondary consumers

How are food webs and food chains related?

• A food web is made up of many interconnected food chains

• A food web is a simpler version of a food chain

• A food chain is made up of many interconnected food webs

• A food chain is a complex system that includes food webs